Gaya APA

Oentoro, Jimmy. (). The 7-40 Journey . : Gramedia Pustaka Utama.

Gaya Chicago

Oentoro, Jimmy. The 7-40 Journey. : Gramedia Pustaka Utama, . .

Gaya MLA

Oentoro, Jimmy. The 7-40 Journey. : Gramedia Pustaka Utama, . .

Gaya Turabian

Oentoro, Jimmy. The 7-40 Journey. : Gramedia Pustaka Utama, . .